Fix error for blender 4 and above using bone collection system

2.0.0

- fixed: bone collection instead of layers for Blender 4+

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+2.0.0
+
+- fixed: bone collection instead of layers for Blender 4+
+
 1.8.1
 
 - added: bone propertie search and active bone picker

__init__.py

@@ -4,8 +4,8 @@ bl_info = {
     "name": "Auto Walk",
     "description": "Develop a walk/run cycles along a curve and pin feets",
     "author": "Samuel Bernou",
-    "version": (1, 8, 1),
-    "blender": (3, 0, 0),
+    "version": (2, 0, 0),
+    "blender": (4, 0, 0),
     "location": "View3D",
     "warning": "",
     "doc_url": "https://gitlab.com/autour-de-minuit/blender/auto_walk",

fn.py

@@ -9,11 +9,7 @@ def get_addon_prefs():
     function to read current addon preferences properties
     access with : get_addon_prefs().super_special_option
     '''
-    import os 
-    addon_name = os.path.splitext(__name__)[0]
-    preferences = bpy.context.preferences
-    addon_prefs = preferences.addons[addon_name].preferences
-    return (addon_prefs)
+    return bpy.context.preferences.addons[__package__].preferences
 
 def open_addon_prefs():
     '''Open addon prefs windows with focus on current addon'''
@@ -739,14 +735,15 @@ def go_edit_mode(ob, context=None):
 
 
 def get_visible_bones(ob):
-    '''Get name of all editable bones (unhided *and* on a visible bone layer'''
-    # visible bone layer index
-    visible_layers_indexes = [i for i, l in enumerate(ob.data.layers) if l]
-    # check if layers overlaps
+    '''Get name of all editable bones (unhidden *and* on a visible bone layer)'''
+
+    ## list names
+    visible_bones_collection = [c.name for c in ob.data.collections_all if c.is_visible]
+
+    ## check if layers overlaps
     visible_bones = [b for b in ob.data.bones \
-        if not b.hide \
-        if any(i for i, l in enumerate(b.layers) if l and i in visible_layers_indexes)]
-    
+        if not b.hide and any((col.name in visible_bones_collection for col in b.collections))] # is in a visible bone collection
+
     return visible_bones
     
 
@@ -760,6 +757,7 @@ def get_x_pos_of_visible_keys(ob, act):
     
     ## skip offset + fcu related to invisible bones
     viz_bones = get_visible_bones(ob)
+    print('viz_bones: ', viz_bones)
     visible_bone_names = [b.name for b in viz_bones]
 
     keys = []